Erythema nodosum from oral contraceptives.
D000328:Adult; D003276:Contraceptives, Oral / Q000009:adverse effects*; D004893:Erythema Nodosum / Q000139:chemically induced*; D005260:Female; D006801:Humans; D008656:Mestranol / Q000009:adverse effects*; D009640:Norethindrone / Q000009:adverse effects*
D003276:Contraceptives, Oral; D008656:Mestranol; D009640:Norethindrone